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Finding the Fourth Proportional to 201,057.66, 277,473.87 and 132,956.37

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Solution

The fourth proportional to 201,057.66, 277,473.87 and 132,956.37 is: 183,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,057.66 : 277,473.87 = 132,956.37 : x
  2. Step 2: Convert to fraction form
    201,057.66/277,473.87 = 132,956.37/x
  3. Step 3: Cross multiply
    201,057.66x = 277,473.87 × 132,956.37
  4. Step 4: Simplify right side
    201,057.66x = 36,891,918,525.05
  5. Step 5: Solve for x
    x = 36,891,918,525.05/201,057.66
  6. Step 6: Final answer
    x = 183,489.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.